package com.bdqn.t382.reflection;

import java.lang.reflect.Constructor;
import java.lang.reflect.Modifier;

public class GetClassConstructorsInfo {
    public static void main(String[] args) {
        Constructor[] declaredConstructors = Person.class.getDeclaredConstructors();
        System.out.println("=========构造方法展示=========");
        for (Constructor con : declaredConstructors) {
            System.out.print("访问修饰符：");
            int modifier = con.getModifiers();
            // 判断该构造方法的访问修饰符
            if ((modifier & Modifier.PUBLIC) == Modifier.PUBLIC)
                System.out.println("public");
            else if ((modifier & Modifier.PROTECTED) == Modifier.PROTECTED)
                System.out.println("protected");
            else if ((modifier & Modifier.PRIVATE) == Modifier.PRIVATE)
                System.out.println("private");
            else
                System.out.println("default(package)");
            // 获取构造方法的参数列表
            Class[] params = con.getParameterTypes();
            if (params.length == 0) {
                System.out.println("该构造方法没有参数");
            } else {
                System.out.print("该构造方法的参数列表为：[");
                for (int i = 0; i < params.length; i++) {
                    if (i != 0)
                        System.out.print(", ");
                    System.out.print(params[i].getName());
                }
                System.out.println("]");
            }
            System.out.println("----------------------------");
        }
    }
}
